-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
*/
#include <rte_common.h>
-#include <rte_config.h>
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
#include "rte_snow3g_pmd_private.h"
#define SNOW3G_IV_LENGTH 16
-#define SNOW3G_DIGEST_LENGTH 4
#define SNOW3G_MAX_BURST 8
#define BYTE_LEN 8
-/**
- * Global static parameter used to create a unique name for each SNOW 3G
- * crypto device.
- */
-static unsigned unique_name_id;
-
-static inline int
-create_unique_device_name(char *name, size_t size)
-{
- int ret;
-
- if (name == NULL)
- return -EINVAL;
-
- ret = snprintf(name, size, "%s_%u", RTE_STR(CRYPTODEV_NAME_SNOW3G_PMD),
- unique_name_id++);
- if (ret < 0)
- return ret;
- return 0;
-}
+static uint8_t cryptodev_driver_id;
/** Get xform chain order. */
static enum snow3g_operation
case SNOW3G_OP_NOT_SUPPORTED:
default:
SNOW3G_LOG_ERR("Unsupported operation chain order parameter");
- return -EINVAL;
+ return -ENOTSUP;
}
if (cipher_xform) {
/* Only SNOW 3G UEA2 supported */
if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
+ return -ENOTSUP;
+
+ if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
+ SNOW3G_LOG_ERR("Wrong IV length");
return -EINVAL;
+ }
+ sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
+
/* Initialize key */
- sso_snow3g_init_key_sched(xform->cipher.key.data,
+ sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
&sess->pKeySched_cipher);
}
if (auth_xform) {
/* Only SNOW 3G UIA2 supported */
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
+ return -ENOTSUP;
+
+ if (auth_xform->auth.digest_length != SNOW3G_DIGEST_LENGTH) {
+ SNOW3G_LOG_ERR("Wrong digest length");
return -EINVAL;
+ }
+
sess->auth_op = auth_xform->auth.op;
+
+ if (auth_xform->auth.iv.length != SNOW3G_IV_LENGTH) {
+ SNOW3G_LOG_ERR("Wrong IV length");
+ return -EINVAL;
+ }
+ sess->auth_iv_offset = auth_xform->auth.iv.offset;
+
/* Initialize key */
- sso_snow3g_init_key_sched(xform->auth.key.data,
+ sso_snow3g_init_key_sched(auth_xform->auth.key.data,
&sess->pKeySched_hash);
}
static struct snow3g_session *
snow3g_get_session(struct snow3g_qp *qp, struct rte_crypto_op *op)
{
- struct snow3g_session *sess;
-
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
- if (unlikely(op->sym->session->dev_type !=
- RTE_CRYPTODEV_SNOW3G_PMD))
+ struct snow3g_session *sess = NULL;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (likely(op->sym->session != NULL))
+ sess = (struct snow3g_session *)
+ get_session_private_data(
+ op->sym->session,
+ cryptodev_driver_id);
+ } else {
+ void *_sess = NULL;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
return NULL;
- sess = (struct snow3g_session *)op->sym->session->_private;
- } else {
- struct rte_cryptodev_session *c_sess = NULL;
-
- if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
return NULL;
- sess = (struct snow3g_session *)c_sess->_private;
+ sess = (struct snow3g_session *)_sess_private_data;
if (unlikely(snow3g_set_session_parameters(sess,
- op->sym->xform) != 0))
- return NULL;
+ op->sym->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
+ sess = NULL;
+ }
+ op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_session_private_data(op->sym->session, cryptodev_driver_id,
+ _sess_private_data);
}
+ if (unlikely(sess == NULL))
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
+
return sess;
}
unsigned i;
uint8_t processed_ops = 0;
uint8_t *src[SNOW3G_MAX_BURST], *dst[SNOW3G_MAX_BURST];
- uint8_t *IV[SNOW3G_MAX_BURST];
+ uint8_t *iv[SNOW3G_MAX_BURST];
uint32_t num_bytes[SNOW3G_MAX_BURST];
for (i = 0; i < num_ops; i++) {
- /* Sanity checks. */
- if (unlikely(ops[i]->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("iv");
- break;
- }
-
src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->cipher.data.offset >> 3);
dst[i] = ops[i]->sym->m_dst ?
(ops[i]->sym->cipher.data.offset >> 3) :
rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->cipher.data.offset >> 3);
- IV[i] = ops[i]->sym->cipher.iv.data;
+ iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+ session->cipher_iv_offset);
num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
processed_ops++;
}
- sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, IV, src, dst,
+ sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, iv, src, dst,
num_bytes, processed_ops);
return processed_ops;
struct snow3g_session *session)
{
uint8_t *src, *dst;
- uint8_t *IV;
+ uint8_t *iv;
uint32_t length_in_bits, offset_in_bits;
- /* Sanity checks. */
- if (unlikely(op->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
- op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("iv");
- return 0;
- }
-
offset_in_bits = op->sym->cipher.data.offset;
src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
if (op->sym->m_dst == NULL) {
return 0;
}
dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
- IV = op->sym->cipher.iv.data;
+ iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ session->cipher_iv_offset);
length_in_bits = op->sym->cipher.data.length;
- sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
+ sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
src, dst, length_in_bits, offset_in_bits);
return 1;
/** Generate/verify hash from mbufs with same hash key. */
static int
-process_snow3g_hash_op(struct rte_crypto_op **ops,
+process_snow3g_hash_op(struct snow3g_qp *qp, struct rte_crypto_op **ops,
struct snow3g_session *session,
uint8_t num_ops)
{
uint8_t processed_ops = 0;
uint8_t *src, *dst;
uint32_t length_in_bits;
+ uint8_t *iv;
for (i = 0; i < num_ops; i++) {
- if (unlikely(ops[i]->sym->auth.aad.length != SNOW3G_IV_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("aad");
- break;
- }
-
- if (unlikely(ops[i]->sym->auth.digest.length != SNOW3G_DIGEST_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("digest");
- break;
- }
-
/* Data must be byte aligned */
if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->auth.data.offset >> 3);
+ iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+ session->auth_iv_offset);
if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
- dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
- ops[i]->sym->auth.digest.length);
+ dst = qp->temp_digest;
sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
- ops[i]->sym->auth.aad.data, src,
+ iv, src,
length_in_bits, dst);
/* Verify digest. */
if (memcmp(dst, ops[i]->sym->auth.digest.data,
- ops[i]->sym->auth.digest.length) != 0)
+ SNOW3G_DIGEST_LENGTH) != 0)
ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
-
- /* Trim area used for digest from mbuf. */
- rte_pktmbuf_trim(ops[i]->sym->m_src,
- ops[i]->sym->auth.digest.length);
} else {
dst = ops[i]->sym->auth.digest.data;
sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
- ops[i]->sym->auth.aad.data, src,
+ iv, src,
length_in_bits, dst);
}
processed_ops++;
unsigned i;
unsigned enqueued_ops, processed_ops;
+#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
+ for (i = 0; i < num_ops; i++) {
+ if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+ (ops[i]->sym->m_dst != NULL &&
+ !rte_pktmbuf_is_contiguous(
+ ops[i]->sym->m_dst))) {
+ SNOW3G_LOG_ERR("PMD supports only contiguous mbufs, "
+ "op (%p) provides noncontiguous mbuf as "
+ "source/destination buffer.\n", ops[i]);
+ ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ return 0;
+ }
+ }
+#endif
+
switch (session->op) {
case SNOW3G_OP_ONLY_CIPHER:
processed_ops = process_snow3g_cipher_op(ops,
session, num_ops);
break;
case SNOW3G_OP_ONLY_AUTH:
- processed_ops = process_snow3g_hash_op(ops, session,
+ processed_ops = process_snow3g_hash_op(qp, ops, session,
num_ops);
break;
case SNOW3G_OP_CIPHER_AUTH:
processed_ops = process_snow3g_cipher_op(ops, session,
num_ops);
- process_snow3g_hash_op(ops, session, processed_ops);
+ process_snow3g_hash_op(qp, ops, session, processed_ops);
break;
case SNOW3G_OP_AUTH_CIPHER:
- processed_ops = process_snow3g_hash_op(ops, session,
+ processed_ops = process_snow3g_hash_op(qp, ops, session,
num_ops);
process_snow3g_cipher_op(ops, session, processed_ops);
break;
if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Free session if a session-less crypto op. */
- if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(session, 0, sizeof(struct snow3g_session));
+ memset(ops[i]->sym->session, 0,
+ rte_cryptodev_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, session);
rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
ops[i]->sym->session = NULL;
}
}
enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
- (void **)ops, processed_ops);
+ (void **)ops, processed_ops, NULL);
qp->qp_stats.enqueued_count += enqueued_ops;
*accumulated_enqueued_ops += enqueued_ops;
session);
break;
case SNOW3G_OP_ONLY_AUTH:
- processed_op = process_snow3g_hash_op(&op, session, 1);
+ processed_op = process_snow3g_hash_op(qp, &op, session, 1);
break;
case SNOW3G_OP_CIPHER_AUTH:
processed_op = process_snow3g_cipher_op_bit(op, session);
if (processed_op == 1)
- process_snow3g_hash_op(&op, session, 1);
+ process_snow3g_hash_op(qp, &op, session, 1);
break;
case SNOW3G_OP_AUTH_CIPHER:
- processed_op = process_snow3g_hash_op(&op, session, 1);
+ processed_op = process_snow3g_hash_op(qp, &op, session, 1);
if (processed_op == 1)
process_snow3g_cipher_op_bit(op, session);
break;
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Free session if a session-less crypto op. */
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
- rte_mempool_put(qp->sess_mp, op->sym->session);
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(op->sym->session, 0, sizeof(struct snow3g_session));
+ rte_cryptodev_sym_session_free(op->sym->session);
op->sym->session = NULL;
}
enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
- (void **)&op, processed_op);
+ (void **)&op, processed_op, NULL);
qp->qp_stats.enqueued_count += enqueued_op;
*accumulated_enqueued_ops += enqueued_op;
unsigned nb_dequeued;
nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
- (void **)c_ops, nb_ops);
+ (void **)c_ops, nb_ops, NULL);
qp->qp_stats.dequeued_count += nb_dequeued;
return nb_dequeued;
}
-static int cryptodev_snow3g_remove(const char *name);
+static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
static int
cryptodev_snow3g_create(const char *name,
- struct rte_crypto_vdev_init_params *init_params)
+ struct rte_vdev_device *vdev,
+ struct rte_cryptodev_pmd_init_params *init_params)
{
struct rte_cryptodev *dev;
- char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
struct snow3g_private *internals;
- uint64_t cpu_flags = 0;
-
- /* Check CPU for supported vector instruction set */
- if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
- cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
- else {
- SNOW3G_LOG_ERR("Vector instructions are not supported by CPU");
- return -EFAULT;
- }
-
-
- /* Create a unique device name. */
- if (create_unique_device_name(crypto_dev_name,
- RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
- SNOW3G_LOG_ERR("failed to create unique cryptodev name");
- return -EINVAL;
- }
+ uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE;
- dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
- sizeof(struct snow3g_private), init_params->socket_id);
+ dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
SNOW3G_LOG_ERR("failed to create cryptodev vdev");
goto init_error;
}
- dev->dev_type = RTE_CRYPTODEV_SNOW3G_PMD;
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = rte_snow3g_pmd_ops;
/* Register RX/TX burst functions for data path. */
return 0;
init_error:
- SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed", name);
+ SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed",
+ init_params->name);
- cryptodev_snow3g_remove(crypto_dev_name);
+ cryptodev_snow3g_remove(vdev);
return -EFAULT;
}
static int
-cryptodev_snow3g_probe(const char *name,
- const char *input_args)
+cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
{
- struct rte_crypto_vdev_init_params init_params = {
- RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
- RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
- rte_socket_id()
+ struct rte_cryptodev_pmd_init_params init_params = {
+ "",
+ sizeof(struct snow3g_private),
+ rte_socket_id(),
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS,
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
};
+ const char *name;
+ const char *input_args;
- rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
- RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
- init_params.socket_id);
- RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
- init_params.max_nb_queue_pairs);
- RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
- init_params.max_nb_sessions);
+ rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
- return cryptodev_snow3g_create(name, &init_params);
+ return cryptodev_snow3g_create(name, vdev, &init_params);
}
static int
-cryptodev_snow3g_remove(const char *name)
+cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
{
+ struct rte_cryptodev *cryptodev;
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
- RTE_LOG(INFO, PMD, "Closing SNOW 3G crypto device %s"
- " on numa socket %u\n",
- name, rte_socket_id());
+ cryptodev = rte_cryptodev_pmd_get_named_dev(name);
+ if (cryptodev == NULL)
+ return -ENODEV;
- return 0;
+ return rte_cryptodev_pmd_destroy(cryptodev);
}
static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
.remove = cryptodev_snow3g_remove
};
+static struct cryptodev_driver snow3g_crypto_drv;
+
RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
"max_nb_queue_pairs=<int> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv, cryptodev_snow3g_pmd_drv,
+ cryptodev_driver_id);
Code Review / deb_dpdk.git / blobdiff